Cotton beveling engrafting method
A cotton and cutting technology, applied in the fields of botanical equipment and methods, horticulture, application, etc., can solve the problems of labor-intensive and slow grafting, and achieve the effect of simple operation and fast grafting.
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Embodiment 1
[0016] On April 12, 2008, the rootstock kapok (collected in Lingshui County, Hainan Province) and the upland cotton nuclear male sterile line GA5 (quoted from the Institute of Economic Crops, Sichuan Academy of Agricultural Sciences) used as scions were sown at the same time In the nutrition cup, pour water thoroughly, germinate in a small arched shed covered with plastic film, shade the shed with a sunshade net, keep the temperature in the shed at 20°C-35°C, and the natural relative humidity in the shed. Seedlings emerge after 4 days of sowing, and on the 8th day, select seedlings with strong growth, no damage by diseases and insect pests, and stems or hypocotyls with equivalent diameters, and graft according to the following steps:
[0017] (1) Cut the rootstock seedlings obliquely downwards to the other side with a blade at the cotyledon node to form a flat cut surface with a length of 0.5-1.5cm. At the same place, use a blade to cut obliquely downward or upward from one si...
Embodiment 2
[0022] On June 12, 2008, the rootstock kapok (collected in Lingshui County, Hainan Province) and the upland cotton male sterile line GA5 (quoted from the Institute of Economic Crops, Sichuan Academy of Agricultural Sciences) used as scions were sown at the same time Put it in a nutrition cup, put it in an artificial climate box, set 12 hours of light and 12 hours of darkness, and the light intensity during the day is 178μmol·m 2 ·s -1 , the temperature is 30°C; the night is completely dark, the temperature is 20°C, and the relative humidity is 80% throughout the process. Seedlings emerge after 5 days of sowing, and on the 10th day, select seedlings with strong growth, no damage by diseases and insect pests, stems or hypocotyl diameters to graft according to the following steps:
[0023] (1) The rootstock seedlings are obliquely cut upwards to the other side with a blade at the cotyledon node, and the length of the cut surface is 1-2cm, then the scion seedlings are placed at t...
Embodiment 3
[0028] On July 5, 2008, the kapok kapok (seed source is the same as embodiment 2) plant of about 0.5m plant height grown in the field was cut off the part above 20cm from the base of the stem, and transplanted to the nutrient cup to be used as a rootstock; Cut simultaneously the branch of male sterile dual-purpose line GA5 (seed source is the same as embodiment 2), the diameter of its stem is comparable to the diameter of the rootstock stem top grafting place (the difference in diameter between the two is no more than 3mm), and it is cut Make a stem segment with 1-2 axillary buds for scion use. Follow the steps below to graft:
[0029] (1) Cut the top of the rootstock stem obliquely to the other side with a blade, and the length of the cut surface is 1.5-3cm, and then use a blade to cut the lower part of the scion stem from one side of the stem downward or upward to the other side obliquely, and the length of the cut surface is the same as that of the rootstock cut surface qu...
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